body{
    /* display: flex; */
    justify-content: center;
    height: 100vh;
    -webkit-font-smoothing:antialiased;
    color: #666;
}

.wapper{
    width: 1200px;
    margin: 0 auto;
}

.nav{
    width: 1534px;
    height: 50px;
    border-bottom: 1px black solid;
}

.nav-top{
    height: 50px;
}

ul li span{
    font-family: 'icomoon';
    color: black;
}

.search{
    float: left;
    width: 336px;
}

.search span{
    font-family: 'icomoon';
    padding-left: 5px;
    padding-top: 2px;
    font-size: 27px;
    color: black;
}

.search-in{
    float: right;
    margin-top: 9px;
    height: 35px;
    width: 35px;
    border-top: 2px black solid;
    border-right: 2px black solid;
    border-bottom: 2px black solid;
    text-align: center;
}

.search-in:hover{
    background-color: black;
}

.search-in span:hover{
    color: white
}


.nav-top li{
    display: inline-block;
    height: 50px;
    padding-left: 15px;
    padding-right: 15px;
    line-height: 50px;
    font-size: 25px;
}

.nav-top li:hover{
    border-bottom: 3px solid green;
}

.nav-top li span:hover{
    color:green;
}

.nav-top-left{
    float: left;
}

.nav-top-right{
    float: right;
}

.search input{
    padding-left: 5px;
    margin-left: 50px;
    margin-top: 9px;
    width: 250px;
    height: 35px;
    border: black 2px solid;
}

.hot-book{
    margin-left: 166px;
    height: 500px;
    width: 250px;
    background-color:#87cefa
}

.hot-book{
    float: left;
}

.hot-book p{
    display: inline-block;
    padding-left: 20px;
    height: 50px;
    width: 250px;
    line-height: 50px;
    font-size: 25px;
    color: red;
    border-bottom: 1px #666 dashed;
}

.hot-book ul li ,.my-borrow ul li{
    display: inline-block;
    padding-left: 20px;
    height: 50px;
    width: 250px;
    line-height: 50px;
    font-size: 15px;
    color: black;
    border-bottom: 1px dashed #666;
}

.hot-book ul li:last-child , .my-borrow ul li:last-child{
    border-bottom: 1px black solid;
}

.bookshelf ul li button ,.my-borrow ul li button{
    float: right;
    margin-right: 15px;
    margin-top: 10px;
    background-color:#ff4b2b;
    border: 1px solid transparent;
    border-radius: 20px ;
    padding: 5px 20px;
    text-transform: uppercase;
    color: black;
    transition: transform 80ms;
    background-color: transparent;
    border: 1px solid white;
}

.bookshelf ul li button:hover{
    background: #00bfff
}

button:active{
    transform: scale(.95);
}

.all-books{
    float: left;
    width: 683px;
    height: 500px;
    position: relative;
}

.bookshelf-right{
    float: right;
    margin-right: 169px;
    width: 250px;
    height: 500px;
}

.my-borrow{
    width: 250px;
    height: 500px;
    background-color: #f47983;
}

.my-borrow p{
    display: inline-block;
    width: 250px;
    height: 50px;
    line-height: 50px;
    font-size: 25px;
    color: black;
    text-align: center;
    border-bottom: 1px dashed black;
}

.my-borrow ul li button:hover{
    background: #c93756
}

.operations{
    margin-top: 20px;
    margin-left: 10px;
    width: 683px;
    height: 40px;
    border-bottom: 2px black solid;
}

.oper-left{
    float: left;
    margin-left: 40px;
}

.choose{
    color: black;
    font-size: 20px;
}

.oper-left a:hover{
    color: #FFE384;
}

.oper-right{
    float: right;
}

.oper-right button{
    margin-right: 25px;
    background:#FF9912;
    border-radius: 15px ;
    padding: 5px 20px;
    color: black;
    transition: transform 80ms;
    border: 1px solid yellow;
}

.book-content{
    position: relative;
    margin-left: 10px;
    width: 683px;
    height: 440px;
}

.content-nav table thead tr td{
    display: block;
    float: left;
    margin: 0 55px;
    height: 50px;
    font-size: 25px;
    line-height: 55px;
    color: black;
}

.content-nav table thead{
    display: inline-block;
    width: 681px;
    height: 60px;
    border-bottom: 1px #666 dashed
}

.content-nav table tbody tr td{
    display: inline-block;
    width: 90px;
    margin: 0 35px;
    height: 40px;
    font-size: 15px;
    line-height: 40px;
    text-align: center;
    
}

.content-nav table tbody tr{
    display: inline-block;
    width: 681px;
    height: 40px;
    border-bottom: 1px #666 dashed
}

.content-nav table tbody tr td button , .add-book button{
    margin-right: 25px;
    background:#FF9912;
    border-radius: 15px ;
    padding: 7px 15px;
    color: black;
    transition: transform 80ms;
    border: 1px solid yellow;
}

.paging{
    position: absolute;
    top: 405px;
    left: 250px;
}

.paging ul li{
    display: inline-block;
    height: 35px;
    width: 35px;
    border: 1px solid black;
    text-align: center;
    line-height: 35px;
}

.paging ul li a{
    color: black;
    font-size: 20px;
}

.choosen{
    background: #f47983;
}

.paging ul li:hover{
    background: #f47983;
}

.add-book{
    display: none;
    position: absolute;
    width: 683px;
    height: 250px;
    background-color: #FFE384;
    top: 20px;
    left: -1200px;
}

.add-book input{
    width: 50%;
    margin: 10px auto;
    margin-left: 150px;
    padding: 12px;
    background-color: #eeee;
    border: none;
}

.add-book button{
    margin-top: 10px;
    padding: 5px 20px;
    margin-left: 160px;
}

.add-book button:hover{
    background: #FF7D40;
}

.delete-book{
    display: none;
    position: absolute;
    width: 683px;
    height: 150px;
    background-color: #FFE384;
    top: 20px;
    right: -1500px;
}

.delete-book input{
    width: 50%;
    margin: 10px auto;
    margin-left: 150px;
    padding: 12px;
    background-color: #eeee;
    border: none;
}

.delete-book button{
    margin-top: 10px;
    padding: 5px 20px;
    margin-left: 160px;
}

